# Taiko Spirits vs Koto Sim

The clearest difference is in-app purchases: Taiko Spirits at none against Koto Sim's 1. Taiko Spirits also leads on ads (none vs shown) and iOS requirement (9.3 vs 12.0). Koto Sim's advantage is device support (3 vs 1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Koto Sim sells 1 one-off in-app purchase. Taiko Spirits asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Taiko Spirits against 5.0 for Koto Sim. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Taiko Spirits ships an update monthly, Koto Sim every 4 weeks. The most recent releases landed on July 3, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Taiko Spirits | Koto Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/taiko-spirits/id411262432/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/koto-sim/id6740201723/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 61 MB | 125 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akinobu YAMAMOTO](https://appshunter.io/developer/389130701) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### Taiko Spirits

[App page](https://appshunter.io/ios/app/taiko-spirits/id411262432)

Experience realistic WADAIKO sounds with this app. It uses an acceleration sensor to simulate tap velocity and 3D audio to represent sound based on where you strike the drum. Enjoy studio-recorded sounds from four different taiko types.

**Highlights:** Velocity-sensitive tapping, 3D spatial audio effects, Studio-recorded taiko sounds, Four types of taiko drums, Visual fireworks effects, Background music playback

**Features:** macOS Compatibility

**In-app purchases:** none


### Koto Sim

[App page](https://appshunter.io/ios/app/koto-sim/id6740201723)

Experience the authentic sound and feel of Japan's national string instrument. This app offers realistic koto tones, customizable interfaces, and multiple play modes for musicians and enthusiasts. Record and share your creations within an immersive simulation.

**Highlights:** Authentic koto sounds, Customizable interface and tuning, Three dynamic play modes, Built-in recorder, Screen recording for sharing, Immersive simulation environment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $8.99 | one-time |


## Frequently asked questions

### Is Taiko Spirits free?

Taiko Spirits is free to download, with no in-app purchases.

### Is Koto Sim free?

Koto Sim is free to download, with in-app purchases available.

### Which has better reviews, Taiko Spirits or Koto Sim?

Taiko Spirits and Koto Sim are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.

### Do Taiko Spirits or Koto Sim have ads?

Koto Sim shows ads; Taiko Spirits does not.

### Which is updated more often, Taiko Spirits or Koto Sim?

Taiko Spirits ships an update monthly, and Koto Sim every 4 weeks. Most recently, Taiko Spirits was updated on July 3, 2026 and Koto Sim on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*